76256747 has 32 divisors (see below), whose sum is σ = 100569600. Its totient is φ = 56222208.

The previous prime is 76256731. The next prime is 76256777. The reversal of 76256747 is 74765267.

It is not a de Polignac number, because 76256747 - 2⁴ = 76256731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76256698 and 76256707.

It is not an unprimeable number, because it can be changed into a prime (76256777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64988 + ... + 66150.

It is an arithmetic number, because the mean of its divisors is an integer number (3142800).

Almost surely, 2^76256747 is an apocalyptic number.

76256747 is a deficient number, since it is larger than the sum of its proper divisors (24312853).

76256747 is a wasteful number, since it uses less digits than its factorization.

76256747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its digits is 493920, while the sum is 44.

The square root of 76256747 is about 8732.5109218369. The cubic root of 76256747 is about 424.0588113360.

The spelling of 76256747 in words is "seventy-six million, two hundred fifty-six thousand, seven hundred forty-seven".